GB1001016A - Sealing of the open ends of thermoplastic bags - Google Patents

Sealing of the open ends of thermoplastic bags

Info

Publication number
GB1001016A
GB1001016A GB50083/63A GB5008363A GB1001016A GB 1001016 A GB1001016 A GB 1001016A GB 50083/63 A GB50083/63 A GB 50083/63A GB 5008363 A GB5008363 A GB 5008363A GB 1001016 A GB1001016 A GB 1001016A
Authority
GB
United Kingdom
Prior art keywords
neck
bag
gathered
bars
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB50083/63A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WR Grace and Co
Original Assignee
WR Grace and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WR Grace and Co filed Critical WR Grace and Co
Publication of GB1001016A publication Critical patent/GB1001016A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
    • B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/32—Cooling, or cooling and pressing, package closures after heat-sealing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)
  • Vacuum Packaging (AREA)
GB50083/63A 1963-03-21 1963-12-18 Sealing of the open ends of thermoplastic bags Expired GB1001016A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US266913A US3269080A (en) 1963-03-21 1963-03-21 Sealing method and apparatus therefor

Publications (1)

Publication Number Publication Date
GB1001016A true GB1001016A (en) 1965-08-11

Family

ID=23016513

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50083/63A Expired GB1001016A (en) 1963-03-21 1963-12-18 Sealing of the open ends of thermoplastic bags

Country Status (6)

Country Link
US (1) US3269080A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE640488A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH426604A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1204574B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES293693A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1001016A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008068783A1 (en) * 2006-12-06 2008-06-12 Minipack-Torre S.P.A. Packaging machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578928A (en) * 1983-07-06 1986-04-01 Acraloc Corporation High speed evacuation chamber packaging machine and method
GB8726437D0 (en) * 1987-11-11 1987-12-16 Dow Corning Sealant cartridge

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2335738A (en) * 1940-07-24 1943-11-30 Dewey And Almy Chem Comp Packaging machine
GB683257A (en) * 1950-07-21 1952-11-26 Wingfoot Corp Bags and bag closures
US2656658A (en) * 1951-02-07 1953-10-27 John P Grady Bagmaking and filling machine
US2783599A (en) * 1953-04-07 1957-03-05 Gen Films Inc Method of packaging
US2924924A (en) * 1955-10-04 1960-02-16 Wilson & Co Inc Machine for packaging ham
US2898714A (en) * 1957-05-20 1959-08-11 Keith Donald George Method of and apparatus for packaging flowable materials in thermoplastic sheet material
US2948999A (en) * 1957-09-24 1960-08-16 American Cyanamid Co Manufacture of suture packages
DE1127273B (de) 1959-03-31 1962-04-05 Grace W R & Co Verfahren zum Verschliessen von Beuteln aus schrumpffaehigen Kunststoffen
US3071906A (en) * 1959-04-06 1963-01-08 Johnson Co Gordon Method for article packaging
US2976655A (en) * 1959-08-20 1961-03-28 Grace W R & Co Packaging method and apparatus
US3040801A (en) * 1959-12-01 1962-06-26 Macmillan Bloedel And Powell R Apparatus for forming mats of oriented slivers
US3149649A (en) * 1960-06-24 1964-09-22 Phillips Petroleum Co Bagging of dusty particulate solids
US3111794A (en) * 1961-12-29 1963-11-26 Grace W R & Co Sealing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008068783A1 (en) * 2006-12-06 2008-06-12 Minipack-Torre S.P.A. Packaging machine

Also Published As

Publication number Publication date
CH426604A (de) 1966-12-15
DE1204574B (de) 1965-11-04
US3269080A (en) 1966-08-30
BE640488A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1964-03-16
ES293693A1 (es) 1964-01-16

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